Welcome to Schoolngr.com

Home   School   News   C B T   Classroom
Friday, 22 November 2024

RegisterLogin

A transformer supplies 12V when connected to a 240V mains. If the transformer takes ...

A transformer supplies 12V when connected to a 240V mains. If the transformer takes 0.120A from the mains when used to light a 12V, 24W lamp, what is its efficiency?

A. 57.20%
B. 66.60%
C. 83.30%
D. 92.50%
E. 100%




STAY UPDATED
FOLLOW US ON :


AboutContact usBack to Top
...

Disclaimer
All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com


SCHOOLNGR - © 2020 - 2024 - Tayo Hammed | Terms Of Service | Copyright | Privacy Policy